The following is a piece of Listserv console log for today.  Apparently,
Listserv received a mail file whose origin did not match the sender.
 
Why did Listserv change it to Postmaster?
 
--cut here---
29 Apr 1991 12:15:39 Processing file (9898) from MAILER@OHSTVMA
29 Apr 1991 12:15:44 Sent information mail to MABOGEN@DEARN
29 Apr 1991 12:15:44 Processing file (0001) from BWALTON@MILLERSV
(LSV822IN) W Invalid RFC822 field -- "HELLO, SAS-LERS,:". Rest of header flushed
.
(LSV822IN) E Mail origin cannot be determined.
(LSV822IN) E Original tag was -> FROM: BARRY A. WALTON    <BWALTON AT MILLERSV>
29 Apr 1991 12:15:51 Processing mail from POSTMASTER@OHSTVMA for SAS-L
PUN FILE 0185 FROM RSCS     COPY 001   NOHOLD
29 Apr 1991 12:16:00 Distributing mail ("SAS-L") from SAS-L@OHSTVMA...
29 Apr 1991 12:16:02 Mail forwarded to LISTSERV@AKRONVM  for   1 recipient.
PUN FILE 0203 FROM RSCS     COPY 001   NOHOLD
 
---cut here---
 
The following is a mail file resulting from that mailing.
What is wrong with it?
 
Duane Weaver
OHSTVMA
 
-------------
 
Received: by OHSTVMA (Mailer R2.07) id 4900; Mon, 29 Apr 91 13:44:31 EDT
Date:         Mon, 29 Apr 91 13:44:28 EDT
From:         Revised List Processor (1.6e) <[log in to unmask]>
Subject:      Delivery error notice sent to list SAS-L
To:           [log in to unmask]
 
The enclosed mail file, found in the SAS-L reader and shown under the spoolid
4868 in  the console log,  has been identified  as a possible  delivery error
notice  for  the following  reason:  mail  origin seems  to  be  a mailer  or
mail-daemon.
 
------------------------- Message in error (79 lines) -------------------------
Received: from SETONVM.BITNET by SETONVM.BITNET (Mailer R2.07) with BSMTP id
 7415; Mon, 29 Apr 91 13:39:43 EST
Date: Mon, 29 Apr 91 13:39:42 EST
From: Network Mailer <[log in to unmask]>
To: [log in to unmask]
Subject: mail delivery error
 
Batch SMTP transaction log follows:
 
220 SETONVM.BITNET Columbia MAILER R2.07 BSMTP service ready.
050 HELO PUCC.PRINCETON.EDU
250 SETONVM.BITNET Hello PUCC.PRINCETON.EDU
050 TICK 6642
250 6642 ... that's the ticket.
050 MAIL FROM:<[log in to unmask]>
250 <[log in to unmask]>... sender OK.
050 RCPT TO:<[log in to unmask]>
250 <[log in to unmask]>... recipient OK.
050 DATA
354 Start mail input.  End with <crlf>.<crlf>
554-Mail not delivered to some or all recipients:
554-Syntax error in field-  Sender
554 No such local user: 
050 QUIT
221 SETONVM.BITNET Columbia MAILER BSMTP service done.
 
Original message follows:
 
Received: from PUCC.PRINCETON.EDU by SETONVM.BITNET (Mailer R2.07) with BSMTP
 id 7414; Mon, 29 Apr 91 13:39:41 EST
Received: by PUCC (Mailer R2.08) id 6642; Mon, 29 Apr 91 13:42:01 EDT
Date:         Mon, 29 Apr 91 12:15:47 EDT
Reply-To:     Undetermined origin c/o Postmaster <[log in to unmask]>
Sender:       "SAS(r) Discussion" <[log in to unmask]>
Comments:     <Parser> W: Invalid RFC822 field -- "HELLO,
              SAS-LERS,:". Rest of header flushed.
Comments:     <Parser> E: Mail origin cannot be determined.
Comments:     <Parser> E: Original tag was -> FROM: BARRY A. WALTON    <BWALTON
              AT MILLERSV>
From:         Undetermined origin c/o Postmaster <[log in to unmask]>
Subject:      EMBEDDED TAB CHARACTERS IN AN INPUT DATA SET
-------